1 files changed, 185 insertions, 0 deletions
diff --git a/extensions/source/bibliography/loadlisteneradapter.cxx b/extensions/source/bibliography/loadlisteneradapter.cxx
new file mode 100644
index 000000000..27f4ea2e5
--- /dev/null
+++ b/extensions/source/bibliography/loadlisteneradapter.cxx
@@ -0,0 +1,185 @@
+/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
+/*
+ * This file is part of the LibreOffice project.
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/.
+ *
+ * This file incorporates work covered by the following license notice:
+ *
+ *   Licensed to the Apache Software Foundation (ASF) under one or more
+ *   contributor license agreements. See the NOTICE file distributed
+ *   with this work for additional information regarding copyright
+ *   ownership. The ASF licenses this file to you under the Apache
+ *   License, Version 2.0 (the "License"); you may not use this file
+ *   except in compliance with the License. You may obtain a copy of
+ *   the License at http://www.apache.org/licenses/LICENSE-2.0 .
+ */
+
+#include "loadlisteneradapter.hxx"
+#include <osl/diagnose.h>
+#include <rtl/ref.hxx>
+
+
+namespace bib
+{
+
+
+    using namespace ::com::sun::star::uno;
+    using namespace ::com::sun::star::lang;
+    using namespace ::com::sun::star::form;
+
+    OComponentListener::~OComponentListener()
+    {
+        ::osl::MutexGuard aGuard( m_rMutex );
+        if ( m_xAdapter.is() )
+            m_xAdapter->dispose();
+    }
+
+
+    void OComponentListener::setAdapter( OComponentAdapterBase* pAdapter )
+    {
+        ::osl::MutexGuard aGuard( m_rMutex );
+        m_xAdapter = pAdapter;
+    }
+
+    OComponentAdapterBase::OComponentAdapterBase( const Reference< XComponent >& _rxComp )
+        :m_xComponent( _rxComp )
+        ,m_pListener( nullptr )
+        ,m_bListening( false )
+    {
+        OSL_ENSURE( m_xComponent.is(), "OComponentAdapterBase::OComponentAdapterBase: invalid component!" );
+    }
+
+
+    void OComponentAdapterBase::Init( OComponentListener* _pListener )
+    {
+        OSL_ENSURE( !m_pListener, "OComponentAdapterBase::Init: already initialized!" );
+        OSL_ENSURE( _pListener, "OComponentAdapterBase::Init: invalid listener!" );
+
+        m_pListener = _pListener;
+        if ( m_pListener )
+            m_pListener->setAdapter( this );
+
+        startComponentListening( );
+        m_bListening = true;
+    }
+
+
+    OComponentAdapterBase::~OComponentAdapterBase()
+    {
+    }
+
+
+    void OComponentAdapterBase::dispose()
+    {
+        if ( !m_bListening )
+            return;
+
+        ::rtl::Reference< OComponentAdapterBase > xPreventDelete(this);
+
+        disposing();
+
+        m_pListener->setAdapter(nullptr);
+
+        m_pListener = nullptr;
+        m_bListening = false;
+
+        m_xComponent = nullptr;
+    }
+
+    // XEventListener
+
+
+    void SAL_CALL OComponentAdapterBase::disposing( const EventObject& )
+    {
+        if (m_pListener)
+        {
+            // disconnect the listener
+            m_pListener->setAdapter( nullptr );
+            m_pListener = nullptr;
+        }
+
+        m_bListening = false;
+        m_xComponent = nullptr;
+    }
+
+    OLoadListenerAdapter::OLoadListenerAdapter( const Reference< XLoadable >& _rxLoadable )
+        :OComponentAdapterBase( Reference< XComponent >( _rxLoadable, UNO_QUERY ) )
+    {
+    }
+
+
+    void OLoadListenerAdapter::startComponentListening()
+    {
+        Reference< XLoadable > xLoadable( getComponent(), UNO_QUERY );
+        OSL_ENSURE( xLoadable.is(), "OLoadListenerAdapter::OLoadListenerAdapter: invalid object!" );
+        if ( xLoadable.is() )
+            xLoadable->addLoadListener( this );
+    }
+
+
+    void SAL_CALL OLoadListenerAdapter::acquire(  ) noexcept
+    {
+        OLoadListenerAdapter_Base::acquire();
+    }
+
+
+    void SAL_CALL OLoadListenerAdapter::release(  ) noexcept
+    {
+        OLoadListenerAdapter_Base::release();
+    }
+
+
+    void SAL_CALL OLoadListenerAdapter::disposing( const  EventObject& _rSource )
+    {
+        OComponentAdapterBase::disposing( _rSource );
+    }
+
+
+    void OLoadListenerAdapter::disposing()
+    {
+        Reference< XLoadable > xLoadable( getComponent(), UNO_QUERY );
+        if ( xLoadable.is() )
+            xLoadable->removeLoadListener( this );
+    }
+
+
+    void SAL_CALL OLoadListenerAdapter::loaded( const EventObject& _rEvent )
+    {
+        if ( getLoadListener( ) )
+            getLoadListener( )->_loaded( _rEvent );
+    }
+
+
+    void SAL_CALL OLoadListenerAdapter::unloading( const EventObject& _rEvent )
+    {
+        if ( getLoadListener( ) )
+            getLoadListener( )->_unloading( _rEvent );
+    }
+
+
+    void SAL_CALL OLoadListenerAdapter::unloaded( const EventObject& )
+    {
+    }
+
+
+    void SAL_CALL OLoadListenerAdapter::reloading( const EventObject& _rEvent )
+    {
+        if ( getLoadListener( ) )
+            getLoadListener( )->_reloading( _rEvent );
+    }
+
+
+    void SAL_CALL OLoadListenerAdapter::reloaded( const EventObject& _rEvent )
+    {
+        if ( getLoadListener( ) )
+            getLoadListener( )->_reloaded( _rEvent );
+    }
+
+
+}   // namespace bib
+
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */